Definition of trichogramma wasp
: any of a genus (Trichogramma) of minute chalcid wasps that are parasitic as larvae in the eggs of other insects and are used in the biological control of lepidopteran pests
Keep scrolling for more
Test Your Vocabulary
Who Knew?
-
- What is a ruelle?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
Share trichogramma wasp
Time Traveler for trichogramma wasp
The first known use of trichogramma wasp was in 1972
See more words from the same year